Gwenllian verch Rhys 
Gwenllian was born about 1254 in Denbighshire, Wales. Gwenllian's father is Rhys ap Dafydd. Her paternal grandfather is Dafydd ap Maredudd. She is an only child.
‌Gwenllian and Gronwy were married in a religious ceremony about 1274. They have a son named Yr Hen .
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